Adjusting tire sizes once mounted
It never fails when I buy a tire, it's the wrong size. This has frustrated
me for years! Especially when I have this chart above and that's what size
they SHOULD be!
Well, now I have a couple of tips to solve the problem! You should now
be able to have any size tire you want.
Tires too big
Make sure you've used the correct rim size.
It doesn't make sense to mount an 8.00 on an 8 3/4" rim and expect
it to be 34"
- Step 1: Pre-heat your oven to 350 degrees.
- Step 2: Remove the valve stem from your tire.
- Step 3: Insert tire
into oven for 15 minutes. This should shrink the tire approximately 1". Sometimes more, but usually less.
- Step 4: Remove tire with oven mitts, either insert the valve stem
and dunk into cold water for about 10 minutes or set in a cool place with
no valve stem and cool for 30 minutes.
You WILL notice a size difference when you remove the tire and think
you 8.00 is about 33", and it COULD happen, so be careful.
Tire too small
This one isn't as bad, we could use the oven trick but....
Fill your tire with about 20 lbs of air and check the size. If it
grows 1/2" then let it sit there overnight. If it doesn't grow that much,
put another 10 lbs in it and set it in the sun for a couple of hours. Usually
what I do is set it in the car with my tape measure and check it during
the day. Once it's grown 1/2" to 3/4" bigger than what you want, place it
in a tub of cool water for about 15 minutes. Then let your air out and
see what it comes up to. If it's too big by 1/4" or so, let all the air
out overnight.
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